Reis, CecíliaTenreiro Machado, J. A.Cunha, J. BoaventuraFigueiredo, Lino2019-04-012019-04-012006-07http://hdl.handle.net/10400.22/13313This paper analyses the performance of a Genetic Algorithm (GA) in the synthesis of digital circuits using a new approach. The novel concept extends the classical fitness function by introducing a fractional-order dynamical evaluation. The dynamic fitness function results from an analogy with control systems where it is possible to benefit the proportional algorithm by including a differential component. For this purpose the non integer derivative is approximated through Pad´e fractions. The experiments reveal superior results when comparing with the classical fitness method.engFractional SystemsGenetic AlgorithmsDigital Circuitsconference object10.3182/20060719-3-PT-4902.00071